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ELB Lab Setup

Automated Lab Setup

  1. You will need the AWS PowerShell SDK installed and loaded. Run install-awspowershell.ps1 to take care of this, or do it manually.
  2. Edit the file _credentials.ps1, replace the AWS secret key and access key with your own, and save the file as credentials.ps1.
  3. Edit lab-setup.ps1 and modify the AWS region (default is us-east-1), SSH keypair name, and your public IP address accordingly.
  4. Run lab-setup.ps1: 
    . ./lab-setup.ps1

Note

A Terraform alternative is also available in the terraform/ directory.

Manual Lab Setup

VPC

  • Name: webapp-vpc
  • CIDR: 172.31.0.0/16

Subnets

Name CIDR
web-1a 172.31.1.0/24
web-1b 172.31.2.0/24
app-1a 172.31.101.0/24
app-1b 172.31.102.0/24

Internet Gateway

  • Name: webapp-igw

Route Tables

  • webapp-rt (associate with all subnets):
    • Default IPv4 (0.0.0.0/0) and IPv6 (::0/0) routes with internet gateway as target.

Security Groups

web-sg:

  • Inbound TCP/80,443 from 0.0.0.0/0
  • Inbound TCP/81 from 172.31.0.0/16
  • Inbound TCP/22 (SSH) from your IP

app-sg:

  • Inbound TCP/8080,8443 from 172.31.0.0/16
  • Inbound TCP/22 (SSH) from your IP

db-sg:

  • Inbound TCP/3306 (MySQL) from 172.31.101.0/24, 172.31.102.0/24
  • Inbound TCP/22 (SSH) from your IP

Instances

Warning

The AMI referenced below (ami-c710e7bd, from 2017) may be deprecated in your region. Verify AMI availability before launching instances, or substitute a current Amazon Linux AMI.

All instances use the AMI named aws-elasticbeanstalk-amzn-2017.03.1.x86_64-ecs-hvm-201709251832 (AMI ID ami-c710e7bd in N. Virginia region). Auto-assign all instances a public IP.

Web tier (assign web-sg):

Name Subnet IP
Web1 web-1a 172.31.1.21
Web2 web-1b 172.31.2.22
Web3 web-1b 172.31.2.23

App tier (assign app-sg):

Name Subnet IP
App1 app-1a 172.31.101.21
App2 app-1b 172.31.102.22
App3 app-1b 172.31.102.23

Database tier (assign db-sg):

Name Subnet IP
db app-1a 172.31.101.99